9-3-4. Only Compressor does not Operate
Shut off the power supply from AC outlet once and turn it on after 5 seconds.
NO
Does the OPERATION lamp flash?
| YES |
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Does the power turn on by | NO | ||
pushing the [START/STOP] button | |||
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of the remote control? |
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| YES |
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| NO | |
Is the voltage across the indoor terminal | |||
( 1 - 2 ) 220/230/240 VAC? |
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| YES |
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| NO | |
Is cable connection between indoor | |||
and outdoor units correct? |
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| YES |
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Is the voltage across the outdoor terminal | NO | ||
( 1 - 2 ) 220/230/240 VAC? |
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| YES |
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| NO | |
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Are all the cords for compressor normal?
YES
Is the compressor motor winding normal? NO (Check the winding resistor.)
YES
NO
Is the capacitor for compressor normal?
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| YES |
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| Is the overload relay normal? | NO | ||
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| YES |
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| Does the compressor start? | NO | ||
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| YES |
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| Compressor starts but |
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| it stops after a while? |
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| YES |
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| NO |
| Is the gas quantity normal? | |||
| (Check the pressure) |
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| YES |
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| Compressor is defective |
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See "Power can not be turned on".
See "Power can not be turned on".
Relays (RY01, RY02)
or IC31 or IC30 is failure.
Correct cabling between indoor and outdoor units.
Cables between indoor and outdoor units are defective.
Compressor is defective.
Capacitor is defective.
Overload relay is defective.
Compressor is defective.
Gas shortage (Gas leakage)
Replace the PC board.
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